package com.itheima.service;

import java.util.Map;

/**
 * @desc 查询统计数据
 * @Date 2020/10/22 16:31
 */
public interface ReportService {


    /**
     * 查询所有的统计数据
     * @return
     */
    Map<String, Object> getBusinessReportData() throws Exception;
}
